US Patent 7810678 Dispensing device and pumping element
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Patent abstract
A device for dispensing at least one fluid comprises pumping means comprising an elastic deformable membrane (2) having a wavy annular wall (16) for producing a desired stiffness or pliability for said membrane (2). A pumping element (1) comprises a base (4) and said elastic deformable membrane (2).
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Patent Inventor Names
Riccardo Alluigi0
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Official Website
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US Patent 07810678 Dispensing device and pumping element US Patent 7810678 Dispensing device and pumping element
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Patent Number
078106780
Patent Number
78106780
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Patent Jurisdiction
Patent Number
078106780
Date of Patent
October 12, 2010
0Patent Application Number
116675000
Date Filed
September 23, 2005
0Official Website
Patent Primary Examiner
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US Patent 07810678 Dispensing device and pumping element
Infobox
Is a
Patent jurisdiction
Patent number
07810678
Date of patent
October 12, 2010
Patent application number
11667500
Date Filed
September 23, 2005
Patent primary examiner
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